1 //===--- SemaLambda.h - Lambda Helper Functions --------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 ///
10 /// \file
11 /// \brief This file provides some common utility functions for processing
12 /// Lambdas.
13 ///
14 //===----------------------------------------------------------------------===//
15 
16 #ifndef LLVM_CLANG_SEMA_LAMBDA_H
17 #define LLVM_CLANG_SEMA_LAMBDA_H
18 #include "clang/AST/ASTLambda.h"
19 #include "clang/Sema/ScopeInfo.h"
20 namespace clang {
21 
22 // Given a lambda's call operator and a variable (or null for 'this'),
23 // compute the nearest enclosing lambda that is capture-ready (i.e
24 // the enclosing context is not dependent, and all intervening lambdas can
25 // either implicitly or explicitly capture Var)
26 //
27 // Return the CallOperator of the capturable lambda and set function scope
28 // index to the correct index within the function scope stack to correspond
29 // to the capturable lambda.
30 // If VarDecl *VD is null, we check for 'this' capture.
31 CXXMethodDecl*
32 GetInnermostEnclosingCapturableLambda(
33     ArrayRef<sema::FunctionScopeInfo*> FunctionScopes,
34     unsigned &FunctionScopeIndex,
35     DeclContext *const CurContext, VarDecl *VD, Sema &S);
36 
37 } // clang
38 
39 #endif // LLVM_CLANG_SEMA_LAMBDA_H
40